CN113720038B - Distributed cold, warm and hot triple water supply control center under centralized heat source cold source - Google Patents
Distributed cold, warm and hot triple water supply control center under centralized heat source cold source Download PDFInfo
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- CN113720038B CN113720038B CN202110972492.0A CN202110972492A CN113720038B CN 113720038 B CN113720038 B CN 113720038B CN 202110972492 A CN202110972492 A CN 202110972492A CN 113720038 B CN113720038 B CN 113720038B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B29/00—Combined heating and refrigeration systems, e.g. operating alternately or simultaneously
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/084—Pipe-line systems for liquids or viscous products for hot fluids
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/08—Pipe-line systems for liquids or viscous products
- F17D1/14—Conveying liquids or viscous products by pumping
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
- F25B41/00—Fluid-circulation arrangements
- F25B41/20—Disposition of valves, e.g. of on-off valves or flow control valves
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- Water Supply & Treatment (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a distributed cold and warm heat triple water supply control center under a cold source of a centralized heat source, which comprises a plate I, a plate II, a water pump I, a water pump II, a water inlet valve, a water outlet valve, an electric ball valve, a pressure equalizing tank, a water mixing valve and a stepping three-way valve. In the invention, a user can independently realize the functions of refrigeration, heating and bathroom through the heat source and the cold source, thereby meeting the requirements of the prior carbon neutralization.
Description
Technical Field
The invention relates to the technical field of distributed water supply, in particular to a distributed cold and warm heat triple water supply control center under a centralized heat source cold source.
Background
Carbon neutralization means that enterprises, groups or individuals measure and calculate the total amount of greenhouse gas emission generated directly or indirectly within a certain time, and the emission of carbon dioxide generated by the enterprises, the groups or the individuals is counteracted through the forms of afforestation, energy conservation, emission reduction and the like, so that zero emission of the carbon dioxide is realized.
At present, in residential houses, markets and other occasions, multiple modes such as heating, refrigeration, bathroom and the like are realized by adopting multiple devices such as air conditioners, wall-mounted furnaces and heat pumps, energy consumption is high, emission is also high, the requirements in carbon neutralization and background cannot be met, and the requirements are to be improved.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a distributed cold and warm heat triple water supply control center under a concentrated heat source cold source.
In order to achieve the purpose, the invention adopts the following technical scheme:
a distributed cold and warm triple water supply control center under a cold source of a centralized heat source comprises a plate exchange I, a plate exchange II, a water pump I, a water pump II, a water inlet valve, a water outlet valve, an electric ball valve, a pressure equalizing tank, a water mixing valve and a stepping three-way valve, wherein the plate exchange I is communicated with a heat source inlet and a heat source return port, the heat source inlet, the plate exchange I and the heat source return port are communicated with each other to provide a channel for circulating water of the heat source, the plate exchange I is also communicated with the water pump I and the water outlet valve, the water pump I is communicated with the water inlet valve, the water inlet valve and the water outlet valve are communicated with each other through the plate exchange II, one end of the pressure equalizing tank is respectively communicated with the water outlet valve, the cold source inlet and the cold source return port through the electric ball valve, the other end of the pressure equalizing tank is respectively communicated with a heating outlet and a refrigerating outlet through the water mixing valve, the water pump II and the stepping three-way valve, the other end of the pressure equalizing tank is also directly communicated with the heating return port, and a pipeline between the pressure equalizing tank and the heating return port is communicated with the refrigerating return port, one end of the water outlet valve is communicated with a bathroom outlet, and one end of the water inlet valve is communicated with a bathroom inlet.
And a pipeline between the pressure equalizing tank and the heating return port is communicated with a water mixing valve.
Under the refrigeration mode, cold source circulating water entering from a cold source inlet enters a refrigeration outlet after passing through an electric ball valve, a pressure equalizing tank, a water mixing valve, a water pump II and a stepping three-way valve which are communicated with the cold source inlet, and the cold source circulating water flows back to the cold source return port from a refrigeration return port, the pressure equalizing tank to a pipeline between heating return ports, the pressure equalizing tank and the electric ball valve communicated with the cold source return port.
In the heating mode, heat source circulating water circulates in a circulation channel formed by a heat source inlet, a plate I and a heat source return port, heating circulating water entering from the heating return port enters a heating outlet after passing through a pressure equalizing tank, a water pump I, a plate I, a water outlet valve, an electric ball valve connected with the water outlet valve, a pressure equalizing tank, a water mixing valve, a water pump II and a stepping three-way valve, and the heating circulating water and the heat source circulating water exchange heat at the plate I.
In the bathroom mode, heat source circulating water circulates in a circulation channel formed by a heat source inlet, a plate I and a heat source return port, heating circulating water circulates in a circulation channel formed by the plate I, a water outlet valve, a plate II, a water inlet valve and a water pump I, the heating circulating water and the heat source circulating water exchange heat at the plate I, bathroom water entering from a bathroom inlet enters a bathroom outlet after passing through the water inlet valve, the plate II and the water outlet valve, and the bathroom water and the heating circulating water exchange heat at the plate II.
And the plate replacing one and the plate replacing two are both cross heat exchange type plate replacing.
The electric ball valve comprises a motor and a ball valve body, wherein the ball valve body comprises a valve body and a nut which are connected through threads, the valve body and the nut form a medium flow passage, a sealing ball is installed in the medium flow passage and is provided with a sealing ball passage, the sealing ball is driven by a motor to rotate so as to enable the sealing ball passage to be switched on or switched off with the medium flow passage, a sealing groove is formed in the inner end, close to the sealing ball, of the valve body and the nut, a ball O-shaped ring is installed in the sealing groove, a ball sealing ring is installed between the sealing ball and the valve body and between the sealing ball and the nut, and the ball O-shaped ring supports the ball sealing ring.
The motor is installed in the ball valve lid, the ball valve lid is including the last lid and the lower lid that are connected, the lower extreme of lid is equipped with down lid breach and the breach groove that is linked together with lower lid breach down, and the breach groove is located the periphery of lid breach down, and the lower part of lid is equipped with circumference groove down, the upper end of valve body is equipped with valve body boss and card silk groove, and the upper end of valve body boss is equipped with connects platform and bulge, the bulge is located the periphery of connecting the platform, and the card silk groove is located the below of valve body boss, connect the platform correspondence and insert down the lid breach, the bulge corresponds and inserts the breach groove, and the valve body passes through the card silk with lower lid and connects, and the card silk passes circumference groove and card silk groove.
The water mixing valve comprises an electric control part, a water mixing valve body and a valve core, wherein the water mixing valve body comprises three valve ports which are mutually communicated, the electric control part controls the valve core to rotate to conduct or cut off the valve ports, the valve core comprises a valve core main body and a valve core rod connected with the electric control part, the valve core main body comprises a water blocking wall, a single valve port can be plugged by the water blocking wall, an upper blocking disc and a lower blocking disc are respectively arranged at the upper end and the lower end of the water blocking wall, the upper blocking disc and the lower blocking disc are in clearance fit with the circumferential inner peripheral wall of the water mixing valve body, raised lines are respectively arranged on the upper blocking disc and the lower blocking disc, raised line channels which transversely penetrate through the raised lines are arranged in the raised lines, riveting plugs, springs and top columns are transversely and sequentially arranged in the raised line channels, the top columns abut against the circumferential inner wall of the water mixing valve body, two ends of the springs abut against the riveting plugs and the top columns respectively, the riveting threads are connected to the raised line channels, and one end of the raised line channels penetrates through the water blocking wall.
The rivet plug is characterized in that a first step and a second step are arranged in the raised line channel, the radial size of the first step is smaller than that of the second step, one end of the rivet plug is abutted against the second step, and when the top pillar is abutted against the second step, the head, far away from the spring end, of the top pillar penetrates out of the raised line channel.
The invention has the beneficial effects that: the heat source and the cold source are supplied in a centralized manner in places such as houses, markets and the like, each household can independently realize the functions of refrigeration, heating and bathroom through the heat source and the cold source, the use is convenient, the energy is saved, the emission is reduced, and the requirements in the current carbon and the background can be met; after the fore-set supported the circumference inner wall that mixes the water valve body, can transmit power for riveting the stopper through the spring, and then rivet the stopper and drive the wall that blocks water and remove towards the direction of keeping away from the fore-set, it pushes away the inner wall laminating that mixes the water valve body to block water wall to have individual power in other words, improves sealing reliability.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the refrigeration mode of the concentrated cold source according to the present invention;
FIG. 3 is a schematic diagram of the central heating mode of the present invention;
FIG. 4 is a schematic view of a bathroom working mode with concentrated heat sources according to the present invention;
FIG. 5 is a perspective view of the motorized ball valve of the present invention;
FIG. 6 is a first cross-sectional view of FIG. 5;
FIG. 7 is a second cross-sectional view of FIG. 5;
FIG. 8 is an exploded view of FIG. 5;
FIG. 9 is a partial exploded view of FIG. 5;
FIG. 10 is an exploded view of the ball valve body of FIG. 5;
fig. 11 is a perspective view of a mixing valve of the present invention;
FIG. 12 is an exploded view of FIG. 11;
fig. 13 is a cross-sectional view of fig. 11.
In the figure: the water mixing valve comprises a first plate replacing body 1, a second plate replacing body 11, a first water pump 2, a second water pump 21, a water inlet valve 3, a water outlet valve 4, an electric ball valve 5, a ball valve cover body 51, an upper cover body 511, a lower cover body 512, a lower cover body notch 5121, a notch groove 5122, a circumferential groove 5123, a cover body sealing ring 513, a motor 52, a motor shaft 521, a rotor 522, a ball valve body 53, a valve body 531, a valve body convex seat 5311, a connecting platform 5312, a wire clamping groove 5313, a bulge 5314, a nut 532, a sealing ball 533, a sealing ball channel 5331, a sealing ball notch 5332, a ball O-shaped ring 534, a ball sealing ring 535, a valve rod 536, an upper synchronous head 5361, a lower synchronous head 5362, a valve rod sealing groove 5363, a wire clamping 54, a microswitch 55, a cable 56, a pressure equalizing tank 6, a water mixing valve 7, an electric control part 71, a valve cover 72, a water mixing valve body 73, a valve core 74, a valve core body 741, a water blocking wall 7411, an upper blocking disk 7412, a lower water blocking disk 7413, a valve core rod, an inner O-shaped ring 742, an inner O-shaped ring 75, a water blocking disk body, The water heater comprises an outer O-shaped ring 76, convex strips 77, convex strip channels 771, a first step 772, a second step 773, a rivet plug 78, a top column 79, a spring 791, a stepping three-way valve 8, cold source circulating water 9, heat source circulating water 91, heating circulating water 92 and bathroom water 93.
Detailed Description
The invention is further described with reference to the accompanying drawings and the detailed description below:
as shown in fig. 1-13, a distributed cooling and heating triple water supply control center under a centralized heat source cold source comprises a first plate exchanger 1, a second plate exchanger 11, a first water pump 2, a second water pump 21, a water inlet valve 3, a water outlet valve 4, an electric ball valve 5, a pressure equalizing tank 6, a water mixing valve 7 and a stepping three-way valve 8, wherein the first plate exchanger 1 and the second plate exchanger 11 are both cross heat exchange type plate exchangers. The cross heat exchange type plate exchange is adopted, so that the heat exchange temperature is stable, the temperature cannot change suddenly, and the efficiency is high; and indoor circulating water is used in the plate-changing 1, the water pressure fluctuation of heat source circulating water 91 from an external heat source is large and possibly dirty, water-water separation is realized, heating circulating water 92 for heating is always kept relatively clean, and high-temperature and high-pressure water of the external heat source is converted into household safe water pressure through the plate-changing 1.
The plate is changed to 1 to be communicated with a heat source inlet and a heat source return port, the heat source inlet, the plate is changed to 1, and the heat source return port is communicated with a channel for circulating heat source circulating water 91, referring to fig. 3 and 4, the plate is changed to 1 to have 4 connectors, wherein one connector on the upper left is communicated with the heat source inlet, one connector on the lower right is communicated with the heat source return port, two port connecting lines are oblique lines, heating circulating water 92 after the plate is changed to 1 is also an oblique line, and the two oblique lines are crossed in the middle, so that the cross heat exchange is realized. In fig. 3 and 4, the vertical center line of the plate 1 is taken as a boundary, the left heat source circulating water 91 is a thick solid line, and the right heat source circulating water 91 is a dashed solid line, which represents that the temperature of the left heat source circulating water 91 is higher than that of the right heat source circulating water 91 (the same applies to the remaining solid lines and dashed lines, and the temperature of the water indicated by the solid lines is higher than that of the water indicated by the dashed lines in this embodiment), and the heat of the incoming heat source circulating water 91 is partially absorbed by the heating circulating water 92, so that the temperature of the returned heat source circulating water 91 is reduced.
The remaining 2 connecting ports of the plate 1 are used for the heating circulating water 92 to flow through, specifically, the heating circulating water 92 flows in from the connecting port positioned at the upper right and flows out from the connecting port positioned at the lower left, and the heating circulating water 92 after passing through the plate 1 absorbs the heat of the heat source circulating water 91 to increase the temperature.
The plate exchange one 1 is also communicated with a water pump one 2 and a water outlet valve 4, a connector at the lower left of the plate exchange one 1 is communicated with the water outlet valve 4, and a connector at the upper right of the plate exchange one 1 is communicated with the water pump one 2.
The first water pump 2 is communicated with the water inlet valve 3, the water inlet valve 3 is communicated with the water outlet valve 4 through the second plate 11, and the working principle and the connection mode of the second plate 11 can refer to the first plate 1 (refer to fig. 4).
6 one end of pressure-equalizing tank is through electric ball valve 5 separately intercommunication outlet valve 4, cold source import and cold source return, wherein, two electric ball valve 5 of connecting cold source import and outlet valve 4 merge into a tube coupling to 6 one end of pressure-equalizing tank (refer to figure 1), and electric ball valve 5 and water pump 2 of connecting the cold source return merge into a tube coupling to 6 one end of pressure-equalizing tank (refer to figure 1), therefore 6 upper ends of pressure-equalizing tank (use figure 1 for referring to) have 2 pipelines, have saved installation space.
The other end of the pressure equalizing tank 6 is respectively communicated with a heating outlet and a refrigerating outlet through a water mixing valve 7, a water pump II 21 and a stepping three-way valve 8, and the other end of the pressure equalizing tank 6 is also directly communicated with a heating return opening, so that the lower end of the pressure equalizing tank 6 (referring to figure 1) is also provided with 2 pipelines, and the installation space is saved. The pressure equalizing tank 6 acts as a small water tank for stabilizing the fluid pressure.
The stepping three-way valve 8 comprises an A port, a B port and a C port, the A port is directly connected with the second water pump 21, the B port is directly connected with a heating outlet, and the C port is directly connected with a refrigerating outlet.
And a pipeline between the pressure equalizing tank 6 and the heating return port is communicated with a water mixing valve 7. In the refrigeration mode, referring to fig. 2, the return water temperature of the cold source circulating water 9 rises, and the return water of the cold source circulating water 9 with relatively high temperature can partially flow into the water mixing valve 7 to adjust the temperature, so that the temperature is raised when the temperature is too low in the refrigeration mode.
In the heating mode, referring to fig. 3, the heating circulating water 92 with a relatively low temperature at the heating return port may partially flow into the water mixing valve 7 to adjust the temperature, so as to reduce the temperature when the temperature is too high in the heating mode.
Through mixing water valve 7, the accurate accuse temperature demand of user is satisfied through adjusting the temperature back to the leaving water temperature, and the return water utilizes, and is more energy-conserving.
And a pipeline between the pressure equalizing tank 6 and the heating return port is communicated with the refrigerating return port, one end of the water outlet valve 4 is communicated with a bathroom outlet, and one end of the water inlet valve 3 is communicated with a bathroom inlet.
Referring to fig. 2, in the refrigeration mode, cold source circulating water 9 entering from a cold source inlet enters a refrigeration outlet through an electric ball valve 5 (located on the left electric ball valve 5), a pressure equalizing tank 6, a water mixing valve 7, a water pump two 21 and a stepping three-way valve 8 which are communicated with the cold source circulating water 9, and the cold source circulating water 9 flows back to a cold source return opening from a refrigeration return opening, a pipeline between the pressure equalizing tank 6 and a heating return opening, the pressure equalizing tank 6 and the electric ball valve 5 (located on the right electric ball valve 5) communicated with the cold source return opening. The external cold source circulating water 9 is used for driving the pressure to be dispersed after reaching the pressure equalizing tank 6, so that the second water pump 21 is used for supplying power to realize the refrigeration circulation of the user side. The temperature of the cold source circulating water 9 which flows back after refrigeration is increased.
Referring to fig. 3, in the heating mode, heat source circulating water 91 circulates in a circulation channel formed by a heat source inlet, a plate change one 1 and a heat source return port, heating circulating water 92 entering from the heating return port enters a heating outlet through a pressure equalizing tank 6, a water pump one 2, the plate change one 1, a water outlet valve 4, an electric ball valve 5 (an electric ball valve 5 positioned in the middle) connected with the water outlet valve 4, the pressure equalizing tank 6, a water mixing valve 7, a water pump two 21 and a stepping three-way valve 8, and the heating circulating water 92 and the heat source circulating water 91 exchange heat at the plate change one 1. In this heating mode, two connectors of the outlet valve 4 are used (as can be seen directly from the figure) and the two connectors are not changed by the plate 11, the outlet valve 4 has 5 connectors in total, and the other 3 connectors are needed to be used in the bathroom mode of fig. 4. The first-level power of the heating circulating water 92 is provided by the first water pump 2, and the pressure is dispersed after the power reaches the pressure equalizing tank 6, so that the second-level power is provided by the second water pump 21 to realize the heating circulation of the user side.
Referring to fig. 4, in the bathroom mode, heat source circulating water 91 circulates in a circulation channel formed by a heat source inlet, a plate exchange one 1 and a heat source return port, heating circulating water 92 circulates in a circulation channel formed by a plate exchange one 1, a water outlet valve 4, a plate exchange two 11, a water inlet valve 3 and a water pump one 2, the heating circulating water 92 exchanges heat with the heat source circulating water 91 at the plate exchange one 1, bathroom water 93 entering from a bathroom inlet enters a bathroom outlet through the water inlet valve 3, the plate exchange two 11 and the water outlet valve 4, and bathroom water 93 exchanges heat with the heating circulating water 92 at the plate exchange two 11. In fig. 4, the fluid indicated by the thickest line is heat source circulating water 91 (located at the uppermost position), the fluid indicated by the second thickest line is heating circulating water 92 (located at the middle upper position), and the fluid indicated by the thinnest line is bath water 93 (located at the lowermost position). The water 93 for the bathroom is tap water, has power and does not need a pump, and the water 93 for the bathroom is used water, is directly consumed and does not circulate.
4 connecting ports of the water outlet valve 4 are used in the bathroom mode, wherein two connecting plates are changed into two ports on the left side of the second connecting plate 11, and the other 2 connecting plates are directly connected with the first connecting plate and the bathroom outlet respectively. The heating circulating water 92 passes through a port directly connected with the plate I1 and a port on the upper left of the plate II 11, and the bathroom water 93 passes through a port on the lower left of the plate II 11 and a port directly connected with a bathroom outlet.
4 connectors of the water inlet valve 3 are used in the bathroom mode, wherein two connectors are respectively connected with two ports on the right side of the second connecting plate 11, and the two connectors are respectively connected with a bathroom inlet and a first water pump 2. The heating circulating water 92 passes through a port at the lower right of the plate I11 and a port directly connected with the water pump I2, and flows to the plate I1 through the water pump I2. The bathroom water 93 flows to the bathroom outlet through the port directly connected with the bathroom outlet and the port on the upper right of the plate changing unit 11, and flows to the bathroom outlet through the port on the lower left of the plate changing unit 11 and the port directly connected with the bathroom outlet.
The water 93 for bathroom use is not directly burned and heated (compared with the bathroom systems such as the common bushing type wall-hanging stove and the gas water heater), so the high temperature pipeline is not easy to scale. In this embodiment, the heating of the bathroom water 93 is realized by the heat exchange of the heating circulating water 92, so that the bathroom water 93 does not need an additional heat source, the volume of the product is greatly reduced, and the cost is reduced.
In this embodiment, the heat source is water at about 80 ℃ and the cold source is water at about 7 ℃. In the carbon neutral and background, a plurality of indirect combustion heat sources can be utilized, and connection and free use are realized through the device of the embodiment.
The whole integrated device is installed in a home (the components of the integrated device are defined by the frame in fig. 1), the pipelines to be connected with the integrated device comprise upper 4 pipelines and lower 6 pipelines, the upper 4 pipelines are respectively a heat source inlet, a return port and a cold source inlet and return port, and the lower 6 pipelines are respectively a heating outlet and return port, a refrigerating return port and outlet, and a bathroom outlet and inlet.
The electric ball valve 5 comprises a motor 52 and a ball valve body 53, the ball valve body 53 comprises a valve body 531 and a nut 532 which are connected through threads, the valve body 531 and the nut 532 form a medium flow passage, a sealing ball 533 is installed in the medium flow passage, the sealing ball 533 is provided with a sealing ball passage 5331, the motor 52 outputs and drives the sealing ball 533 to rotate so as to enable the sealing ball passage 5331 to be communicated or disconnected with the medium flow passage, a sealing groove (refer to fig. 7) is formed at the inner end of the valve body 531, the inner end of the nut 532, which is close to the sealing ball 533, a ball O-shaped ring 534 is installed in the sealing groove, a ball sealing ring 535 is installed between the sealing ball 533 and the valve body 531, between the sealing ball 533 and the nut 532, and the ball O-shaped ring 534 supports the ball sealing ring 535. Through two seals, the flow can be accurately controlled.
The motor 52 is mounted on the ball valve cover 51, the ball valve cover 51 includes an upper cover 511 and a lower cover 512 connected to each other, and the upper cover 511 and the lower cover 512 are sealed by a cover sealing ring 513.
The lower end of the lower cover body 512 is provided with a lower cover body notch 5121 and a notch groove 5122 communicated with the lower cover body notch 5121, the notch groove 5122 is positioned at the periphery of the lower cover body notch 5121, the lower part of the lower cover body 512 is provided with a circumferential groove 5123, the upper end of the valve body 531 is provided with a valve body boss 5311 and a clamping screw groove 5313, the upper end of the valve body boss 5311 is provided with a connecting platform 5312 and a protruding part 5314, the protruding part 5314 is positioned at the periphery of the connecting platform 5312, the clamping screw groove 5313 is positioned below the valve body boss 5311, the connecting platform 5312 is correspondingly inserted into the lower cover body notch 5121, the protruding part 5314 is correspondingly inserted into the notch groove 5122, the valve body 531 and the lower cover body 512 are connected through a clamping screw 54, and the clamping screw 54 passes through the circumferential groove 5123 and the clamping screw groove 5313. The whole lower cover body 512 and the valve body 531 are assembled reliably and quickly, and are positioned accurately.
The output end of the motor 52 is synchronously connected with a motor shaft 521, the other end of the motor shaft 521 is synchronously connected with a rotor 522, the rotor 522 is positioned in the ball valve cover body 51, the rotor 522 rotates to trigger the microswitch 55, and the lower cover body 512 is also connected with a cable 56 penetrating through the inside and the outside of the bottom of the lower cover body. The lower end of the rotor 522 is synchronously connected with a valve rod 536 penetrating through the lower end of the lower cover 512, the upper end of the valve rod 536 is provided with an upper synchronous head 5361 synchronously connected with the lower end of the rotor 522, the lower end of the valve rod 536 is provided with a lower synchronous head 5362, the peripheral wall of the valve rod 536 is provided with a plurality of valve rod sealing grooves 5363 which are distributed at intervals up and down, the valve rod sealing grooves 5363 are positioned between the upper synchronous head 5361 and the lower synchronous head 5362, the valve rod 536 extends into the valve body convex seat 5311, the sealing between the valve rod 536 and the inner peripheral wall of the valve body convex seat 5311 is realized by installing a sealing ring in the valve rod sealing grooves 5363, and the electric elements in the ball valve cover 51 can be protected.
The upper end of the sealing ball 533 is provided with a sealing ball notch 5332, and the lower synchronization head 5362 is inserted into the sealing ball notch 5332, so that the valve rod 536 can drive the sealing ball 533 to synchronously rotate for opening and closing.
The water mixing valve 7 comprises an electric control part 71, a water mixing valve body 73 and a valve core 74, wherein the lower end of the electric control part 71 is provided with a valve cover 72, the valve cover 72 is connected with the water mixing valve body 73 through a screw, and the valve core 74 is covered after the connection of the valve cover 72 and the water mixing valve body 73.
The water mixing valve body 73 comprises three valve ports which are communicated with each other, two of the valve ports form a main flow channel when in use, and the other valve port is used as a supplement port to further regulate the water temperature.
The electric control part 71 controls the valve core 74 to rotate to open or close the valve ports, the valve core 74 includes a valve core main body 741 and a valve core rod 742 connected to the electric control part 71, the valve core main body 741 includes a water blocking wall 7411, and the water blocking wall 7411 can block a single valve port, that is, the area of the water blocking wall 7411 is larger than that of any one valve port.
An upper retaining disc 7412 and a lower retaining disc 7413 are respectively arranged at the upper end and the lower end of the water blocking wall 7411, the upper retaining disc 7412 and the lower retaining disc 7413 are in clearance fit with the circumferential inner peripheral wall of the water mixing valve body 73, referring to fig. 13, the areas of the upper retaining disc 7412 and the lower retaining disc 7413 are respectively matched with the upper opening and the lower opening of the water mixing valve body 73, the lower opening of the water mixing valve body 73 is closed, the upper opening of the water mixing valve body 73 is open, the outer peripheral wall of the valve cover 72 and the inner peripheral wall of the water mixing valve body 73 are sealed through an outer O-shaped ring 76, the upper end of the valve core 74 penetrates through the valve cover 72, the outer peripheral wall of the valve core 74 and the inner peripheral wall of the valve cover 72 are sealed through an inner O-shaped ring 75, and the number of the inner O-shaped rings 75 is two channels which are distributed at intervals up and down. The spool body 741 is located below the valve cover 72.
Go up and keep off dish 7412 and keep off dish 7413 down and all be equipped with sand grip 77, be equipped with the sand grip passageway 771 that transversely runs through in the sand grip 77, transversely install in proper order in the sand grip passageway 771 and rivet stopper 78, spring 791 and fore-set 79, the fore-set 79 supports the circumference inner wall that mixes water valve body 73, and stopper 78 and fore-set 79 are riveted in the butt respectively at spring 791 both ends, and the stopper 78 threaded connection of riveting is in sand grip passageway 771, the one end of sand grip passageway 771 runs through the wall 7411 that blocks water.
A first step 772 and a second step 773 are arranged in the raised line channel 771, the radial dimension of the first step 772 is smaller than that of the second step 773, one end of the rivet plug 78 abuts against the second step 773, and when the top pillar 79 abuts against the first step 772, the head of the top pillar 79, which is far away from the end of the spring 791, penetrates out of the raised line channel 771.
Because the valve core 74 and the water mixing valve body 73 have an assembly gap, specifically, the water blocking wall 7411 and the inner peripheral wall of the water mixing valve body 73 have an assembly gap, water can be mixed by the gap, the water blocking wall 7411 is an arc structure matched with the inner peripheral wall of the water mixing valve body 73, after the top column 79 butts against the inner peripheral wall of the water mixing valve body 73, force can be transmitted to the riveting plug 78 through the spring 791, and then the riveting plug 78 drives the water blocking wall 7411 to move towards the direction far away from the top column 79, namely, the inner wall of the water mixing valve body 73 is pushed to the water blocking wall 7411 to be attached by force, and the sealing reliability is improved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (8)
1. A distributed cold, warm and hot triple water supply control center under a concentrated heat source cold source is characterized in that: the device comprises a plate exchanger I (1), a plate exchanger II (11), a water pump I (2), a water pump II (21), a water inlet valve (3), a water outlet valve (4), an electric ball valve (5), a pressure equalizing tank (6), a water mixing valve (7) and a stepping three-way valve (8), wherein the plate exchanger I (1) is communicated with a heat source inlet and a heat source return port, the heat source inlet, the plate exchanger I (1) and the heat source return port are communicated to provide a channel for circulating water (91) of a heat source, the plate exchanger I (1) is also communicated with the water pump I (2) and the water outlet valve (4), the water pump I (2) is communicated with the water inlet valve (3), the water inlet valve (3) is communicated with the water outlet valve (4) through the plate exchanger II (11), one end of the pressure equalizing tank (6) is respectively communicated with the water outlet valve (4), a cold source inlet and a cold source return port through the electric ball valve (5), the other end of the pressure equalizing tank (6) is respectively communicated with a water mixing valve (7), the water pump II (21) and the stepping three-way valve (8) and a refrigeration outlet, the other end of the pressure equalizing tank (6) is also directly communicated with a heating return port, a pipeline between the pressure equalizing tank (6) and the heating return port is communicated with a refrigerating return port, one end of the water outlet valve (4) is communicated with a bathroom outlet, and one end of the water inlet valve (3) is communicated with a bathroom inlet;
a pipeline between the pressure equalizing tank (6) and the heating return port is communicated with a water mixing valve (7);
the water mixing valve (7) comprises an electric control part (71), a water mixing valve body (73) and a valve core (74), the water mixing valve body (73) comprises three valve ports which are communicated with each other, the electric control part (71) controls the valve core (74) to rotate to conduct or cut off the valve ports, the valve core (74) comprises a valve core main body (741) and a valve core rod (742) connected with the electric control part (71), the valve core main body (741) comprises a water blocking wall (7411), the water blocking wall (7411) can block a single valve port, the upper end and the lower end of the water blocking wall (7411) are respectively provided with an upper baffle disc (7412) and a lower baffle disc (7413), the upper baffle disc (7412) and the lower baffle disc (7413) are in clearance fit with the circumferential inner peripheral wall of the water mixing valve body (73), the upper baffle disc (7412) and the lower baffle disc (7413) are respectively provided with raised lines (77), raised line channels (771) which transversely penetrate through are arranged in the raised lines (77), and riveted plugs (78) are sequentially arranged in the raised line channels (771), Spring (791) and fore-set (79), fore-set (79) support the circumference inner wall of mixing water valve body (73), and spring (791) both ends are the butt respectively and are riveted stopper (78) and fore-set (79), and riveting stopper (78) threaded connection is in sand grip passageway (771), water blocking wall (7411) is run through to the one end of sand grip passageway (771).
2. The distributed cooling and heating triple water supply control center under the concentrated heat source cold source as claimed in claim 1, wherein: under the refrigeration mode, cold source circulating water (9) entering from a cold source inlet enters a refrigeration outlet through an electric ball valve (5), a pressure equalizing tank (6), a water mixing valve (7), a water pump II (21) and a stepping three-way valve (8) communicated with the cold source circulating water, and the cold source circulating water (9) flows back to a cold source return port from a refrigeration return port, the pressure equalizing tank (6) to a pipeline between heating return ports, the pressure equalizing tank (6) and the electric ball valve (5) communicated with the cold source return port.
3. The distributed cold, warm and heat triple water supply control center under the cold source of the centralized heat source as claimed in claim 1, characterized in that: in the heating mode, heat source circulating water (91) circulates in a circulation channel formed by a heat source inlet, a plate changing one (1) and a heat source return port, heating circulating water (92) entering from the heating return port enters a heating outlet through a pressure equalizing tank (6), a water pump I (2), the plate changing one (1), a water outlet valve (4), an electric ball valve (5) connected with the water outlet valve (4), the pressure equalizing tank (6), a water mixing valve (7), a water pump II (21) and a stepping three-way valve (8), and the heating circulating water (92) and the heat source circulating water (91) exchange heat at the plate changing one (1).
4. The distributed cold and warm heat triple water supply control center under the cold source of the centralized heat source as claimed in claim 3, wherein: in the bathroom mode, heat source circulating water (91) circulates in a circulation channel formed by a heat source inlet, a plate I (1) and a heat source return port, heating circulating water (92) circulates in a circulation channel formed by a plate I (1), a water outlet valve (4), a plate II (11), a water inlet valve (3) and a water pump I (2), the heating circulating water (92) and the heat source circulating water (91) exchange heat at the plate I (1), bathroom water (93) entering from a bathroom inlet enters a bathroom outlet through the water inlet valve (3), the plate II (11) and the water outlet valve (4), and the bathroom water (93) and the heating circulating water (92) exchange heat at the plate II (11).
5. The distributed cooling and heating triple water supply control center under the concentrated heat source cold source as claimed in claim 1, wherein: the plate exchanger I (1) and the plate exchanger II (11) are both cross heat exchange type plate exchangers.
6. The distributed heating and cooling triple water supply control center under the concentrated heat source cold source as claimed in any one of claims 1 to 5, wherein: the electric ball valve (5) comprises a motor (52) and a ball valve main body (53), the ball valve main body (53) comprises a valve body (531) and a screw cap (532) which are connected through screw threads, the valve body (531) and the nut (532) form a medium flow passage, a sealing ball (533) is arranged in the medium flow passage, the sealing ball (533) is provided with a sealing ball channel (5331), the motor (52) outputs and drives the sealing ball (533) to rotate so as to enable the sealing ball channel (5331) to be communicated with or closed off from the medium flow channel, the inner ends of the valve body (531), the nut (532) and the sealing ball (533) are provided with sealing grooves, install spheroid O shape circle (534) in the seal groove, all install spheroid sealing washer (535) between sealing ball (533) and valve body (531), between sealing ball (533) and nut (532), spheroid O shape circle (534) supports spheroid sealing washer (535).
7. The distributed cooling and heating triple water supply control center under the concentrated heat source cold source as claimed in claim 6, wherein: the motor (52) is arranged on the ball valve cover body (51), the ball valve cover body (51) comprises an upper cover body (511) and a lower cover body (512) which are connected, a lower cover body notch (5121) and a notch groove (5122) communicated with the lower cover body notch (5121) are arranged at the lower end of the lower cover body (512), the notch groove (5122) is positioned at the periphery of the lower cover body notch (5121), a circumferential groove (5123) is arranged at the lower part of the lower cover body (512), a valve body boss (5311) and a wire clamping groove (5313) are arranged at the upper end of the valve body (531), a connecting platform (5312) and a protruding part (5314) are arranged at the upper end of the valve body boss (5311), the protruding part (5314) is positioned at the periphery of the connecting platform (5312), the wire clamping groove (5313) is positioned below the valve body boss (5311), the connecting platform (5312) is correspondingly inserted into the lower cover body notch (5121), and the protruding part (5314) is correspondingly inserted into the notch groove (5122), the valve body (531) and the lower cover body (512) are connected through a clamping wire (54), and the clamping wire (54) penetrates through the circumferential groove (5123) and the clamping wire groove (5313).
8. The distributed cooling and heating triple water supply control center under the concentrated heat source cold source as claimed in claim 1, wherein: the first step (772) and the second step (773) are arranged in the raised line channel (771), the radial size of the first step (772) is smaller than that of the second step (773), one end of the rivet plug (78) abuts against the second step (773), and when the top pillar (79) abuts against the first step (772), the head, far away from the spring (791), of the top pillar (79 penetrates out of the raised line channel (771).
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| CN202110972492.0A CN113720038B (en) | 2021-08-24 | 2021-08-24 | Distributed cold, warm and hot triple water supply control center under centralized heat source cold source |
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| CN202110972492.0A CN113720038B (en) | 2021-08-24 | 2021-08-24 | Distributed cold, warm and hot triple water supply control center under centralized heat source cold source |
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| CN113720038B true CN113720038B (en) | 2022-09-27 |
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| DE10141389A1 (en) * | 2001-08-20 | 2003-03-13 | Visteon Global Tech Inc | Coolant circuit of a motor vehicle with a coolant / refrigerant heat exchanger |
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| CN113720038A (en) | 2021-11-30 |
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